spi: spi-davinci: Fix direction in dma_map_single()

Commit 048177ce3b3962852fd34a7e04938959271c7e70 (spi: spi-davinci:
convert to DMA engine API) introduced a regression: dma_map_single()
is called with direction DMA_FROM_DEVICE for rx and for tx.

Signed-off-by: Christian Eggers <ceggers@gmx.de>
Acked-by: Matt Porter <mporter@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org # v3.7.x+

diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 222d3e37fc283b95dc5932570c1dec874cec78e2..707966bd56103181d31887b53cca01c1d9bd9776 100644 (file)
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -609,7 +609,7 @@ static int davinci_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
                else
                        buf = (void *)t->tx_buf;
                t->tx_dma = dma_map_single(&spi->dev, buf,
-                               t->len, DMA_FROM_DEVICE);
+                               t->len, DMA_TO_DEVICE);
                if (!t->tx_dma) {
                        ret = -EFAULT;
                        goto err_tx_map;